Home / 61,610.02-84,982.68-40,390.66

Finding the Fourth Proportional to 61,610.02, 84,982.68 and 40,390.66

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Solution

The fourth proportional to 61,610.02, 84,982.68 and 40,390.66 is: 55,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,610.02 : 84,982.68 = 40,390.66 : x
  2. Step 2: Convert to fraction form
    61,610.02/84,982.68 = 40,390.66/x
  3. Step 3: Cross multiply
    61,610.02x = 84,982.68 × 40,390.66
  4. Step 4: Simplify right side
    61,610.02x = 3,432,506,260.32
  5. Step 5: Solve for x
    x = 3,432,506,260.32/61,610.02
  6. Step 6: Final answer
    x = 55,713.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.